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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : CSdpMLineStrategyBase.cpp |
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15 // Part of : SIP Client Resolver |
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16 // Version : 1.0 |
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17 // |
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18 |
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19 |
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20 |
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21 #include "CSdpMLineStrategyBase.h" |
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22 #include "MSipClients.h" |
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23 #include "MSipClient.h" |
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24 #include "sipresponse.h" |
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25 #include "sdpdocument.h" |
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26 #include "sipstrings.h" |
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27 #include "sipstrconsts.h" |
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28 |
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29 const TUint K488ResponseCode = 488; |
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30 |
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31 // ---------------------------------------------------------------------------- |
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32 // CSdpMLineStrategyBase::CSdpMLineStrategyBase |
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33 // ---------------------------------------------------------------------------- |
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34 // |
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35 CSdpMLineStrategyBase::CSdpMLineStrategyBase(const MSipClients& aSipClients) |
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36 : CSdpStrategyBase(aSipClients) |
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37 { |
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38 } |
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39 |
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40 // ---------------------------------------------------------------------------- |
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41 // CSdpMLineStrategyBase::~CSdpMLineStrategyBase |
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42 // ---------------------------------------------------------------------------- |
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43 // |
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44 CSdpMLineStrategyBase::~CSdpMLineStrategyBase() |
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45 { |
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46 } |
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47 |
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48 // ---------------------------------------------------------------------------- |
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49 // CSdpMLineStrategyBase::ApplyL |
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50 // ---------------------------------------------------------------------------- |
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51 // |
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52 CSIPResponse* CSdpMLineStrategyBase::ApplyL( |
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53 CSdpDocument& aDocument, |
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54 RArray<TUid>& aUids) |
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55 { |
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56 CSIPResponse* response = MediaLineExistL(aDocument); |
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57 if (!response && IsApplicable(aDocument)) |
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58 { |
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59 FindApplicationL(aDocument,aUids); |
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60 if(aUids.Count() == 0) |
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61 { |
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62 response = CSIPResponse::NewL( |
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63 K488ResponseCode, |
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64 SIPStrings::StringF(SipStrConsts::EPhraseNotAcceptableHere)); |
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65 } |
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66 } |
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67 return response; |
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68 } |
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69 |
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70 // ---------------------------------------------------------------------------- |
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71 // CSdpMLineStrategyBase::FindApplicationL |
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72 // ---------------------------------------------------------------------------- |
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73 // |
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74 void CSdpMLineStrategyBase::FindApplicationL(CSdpDocument& aDocument, |
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75 RArray<TUid>& aUids) |
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76 { |
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77 for(TInt i=0; i < aUids.Count();i++) |
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78 { |
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79 MSipClient* client = iSipClients.GetByUID(aUids[i]); |
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80 if (!client || !MatchL(aDocument,*client)) |
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81 { |
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82 aUids.Remove(i); |
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83 i--; |
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84 } |
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85 } |
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86 } |
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87 |
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88 // ---------------------------------------------------------------------------- |
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89 // CSdpMLineStrategyBase::MediaLineExist |
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90 // ---------------------------------------------------------------------------- |
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91 // |
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92 CSIPResponse* CSdpMLineStrategyBase::MediaLineExistL(CSdpDocument& aDocument) |
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93 { |
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94 if(aDocument.MediaFields().Count() == 0) |
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95 { |
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96 return CSIPResponse::NewL(K488ResponseCode, |
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97 SIPStrings::StringF(SipStrConsts::EPhraseNotAcceptableHere)); |
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98 } |
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99 return NULL; |
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100 } |
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101 |
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102 // ---------------------------------------------------------------------------- |
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103 // CSdpMLineStrategyBase::MatchL |
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104 // ---------------------------------------------------------------------------- |
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105 // |
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106 TBool CSdpMLineStrategyBase::MatchL(CSdpDocument& aDocument, |
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107 MSipClient& aClient) |
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108 { |
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109 const RPointerArray<CSdpMediaField>& clientMedias = |
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110 aClient.SdpDocument().MediaFields(); |
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111 |
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112 const RPointerArray<CSdpMediaField>& receivedMedias = |
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113 aDocument.MediaFields(); |
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114 |
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115 // All the media fields in received request must be supported |
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116 // by the client. If not the client is removed from the list of clients, |
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117 // that are capable of handling the request. |
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118 for (TInt i=0; i < receivedMedias.Count(); i++) |
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119 { |
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120 CSdpMediaField* receivedMedia = receivedMedias[i]; |
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121 if (IsApplicable(*receivedMedia)) |
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122 { |
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123 TBool mediaFound = EFalse; |
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124 for (TInt j=0; j < clientMedias.Count() && !mediaFound; j++) |
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125 { |
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126 if (FieldsMatchL(*receivedMedia,*(clientMedias[j]))) |
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127 { |
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128 mediaFound = ETrue; |
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129 } |
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130 } |
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131 if (!mediaFound) |
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132 { |
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133 return EFalse; |
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134 } |
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135 } |
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136 } |
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137 |
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138 return ETrue; |
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139 } |
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140 |
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141 // ---------------------------------------------------------------------------- |
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142 // CSdpMLineStrategyBase::IsApplicable |
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143 // ---------------------------------------------------------------------------- |
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144 // |
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145 TBool CSdpMLineStrategyBase::IsApplicable(CSdpDocument& aDocument) |
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146 { |
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147 RPointerArray<CSdpMediaField>& mediaFields = aDocument.MediaFields(); |
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148 for (TInt i=0; i < mediaFields.Count(); i++) |
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149 { |
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150 if (IsApplicable(*mediaFields[i])) |
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151 { |
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152 return ETrue; |
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153 } |
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154 } |
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155 return EFalse; |
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156 } |
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157 |
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158 // ---------------------------------------------------------------------------- |
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159 // CSdpMLineStrategyBase::IsApplicable |
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160 // ---------------------------------------------------------------------------- |
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161 // |
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162 TBool CSdpMLineStrategyBase::IsApplicable(CSdpMediaField& /*aMediaField*/) |
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163 { |
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164 // default implementation |
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165 return ETrue; |
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166 } |